Bottle brush



FIG. 1 is a perspective view of a bottle brush showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view thereof being identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The handle is shown broken away in FIG. 2 for ease of illustration only. 

The ornamental design for a bottle brush, as shown and described. 